Messages in this thread Patch in this message | | | Date | Wed, 11 Sep 2013 10:38:00 +0300 | From | Dan Carpenter <> | Subject | [patch -resend] cpqarray: info leak in ida_locked_ioctl() |
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The pciinfo struct has a two byte hole after ->dev_fn so stack information could be leaked to the user.
This was assigned CVE-2013-2147.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
diff --git a/drivers/block/cpqarray.c b/drivers/block/cpqarray.c index 639d26b..2b94403 100644 --- a/drivers/block/cpqarray.c +++ b/drivers/block/cpqarray.c @@ -1193,6 +1193,7 @@ out_passthru: ida_pci_info_struct pciinfo; if (!arg) return -EINVAL; + memset(&pciinfo, 0, sizeof(pciinfo)); pciinfo.bus = host->pci_dev->bus->number; pciinfo.dev_fn = host->pci_dev->devfn; pciinfo.board_id = host->board_id;
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